From 41cb0baea96a80360971908a0bd79d9d40dd5e44 Mon Sep 17 00:00:00 2001 From: Yury Selivanov Date: Thu, 28 Jun 2018 13:20:29 -0400 Subject: [PATCH] bpo-33985: Implement ContextVar.name attribute. (GH-7980) --- Doc/library/contextvars.rst | 2 ++ Lib/test/test_context.py | 9 +++++++-- .../2018-06-27-18-56-41.bpo-33985.ILJ3Af.rst | 1 + Python/context.c | 5 +++++ 4 files changed, 15 insertions(+), 2 deletions(-) create mode 100644 Misc/NEWS.d/next/Core and Builtins/2018-06-27-18-56-41.bpo-33985.ILJ3Af.rst diff --git a/Doc/library/contextvars.rst b/Doc/library/contextvars.rst index 9c7ea2bdb7b..8805661c456 100644 --- a/Doc/library/contextvars.rst +++ b/Doc/library/contextvars.rst @@ -48,6 +48,8 @@ Context Variables The name of the variable. This is a read-only property. + .. versionadded:: 3.7.1 + .. method:: get([default]) Return a value for the context variable for the current context. diff --git a/Lib/test/test_context.py b/Lib/test/test_context.py index 74d05fc5c41..efd7319a23a 100644 --- a/Lib/test/test_context.py +++ b/Lib/test/test_context.py @@ -30,8 +30,13 @@ class ContextTest(unittest.TestCase): with self.assertRaisesRegex(TypeError, 'must be a str'): contextvars.ContextVar(1) - c = contextvars.ContextVar('a') - self.assertNotEqual(hash(c), hash('a')) + c = contextvars.ContextVar('aaa') + self.assertEqual(c.name, 'aaa') + + with self.assertRaises(AttributeError): + c.name = 'bbb' + + self.assertNotEqual(hash(c), hash('aaa')) def test_context_var_new_2(self): self.assertIsNone(contextvars.ContextVar[int]) diff --git a/Misc/NEWS.d/next/Core and Builtins/2018-06-27-18-56-41.bpo-33985.ILJ3Af.rst b/Misc/NEWS.d/next/Core and Builtins/2018-06-27-18-56-41.bpo-33985.ILJ3Af.rst new file mode 100644 index 00000000000..07c8f907868 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2018-06-27-18-56-41.bpo-33985.ILJ3Af.rst @@ -0,0 +1 @@ +Implement contextvars.ContextVar.name attribute. diff --git a/Python/context.c b/Python/context.c index b727748ee73..8ee048ccdd5 100644 --- a/Python/context.c +++ b/Python/context.c @@ -940,6 +940,10 @@ contextvar_cls_getitem(PyObject *self, PyObject *args) Py_RETURN_NONE; } +static PyMemberDef PyContextVar_members[] = { + {"name", T_OBJECT, offsetof(PyContextVar, var_name), READONLY}, + {NULL} +}; static PyMethodDef PyContextVar_methods[] = { _CONTEXTVARS_CONTEXTVAR_GET_METHODDEF @@ -955,6 +959,7 @@ PyTypeObject PyContextVar_Type = { "ContextVar", sizeof(PyContextVar), .tp_methods = PyContextVar_methods, + .tp_members = PyContextVar_members, .tp_dealloc = (destructor)contextvar_tp_dealloc, .tp_getattro = PyObject_GenericGetAttr, .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC,